Radiometrix Ltd.,

BiM1 transceiver, TX1H high power transmitter data sheet

Page 4

BiM1 Pin

TX1H pin

Name

Function

1, 3, 9, 10, 18

1, 3, 6

0V

Ground

17

5

VCC

3.8 – 15V DC power supply

16

-

RX

Pull low to enable Receiver

15

4

TX

EN

Pull low to enable Transmitter

Pull high to enable Transmitter

14

7

TXD

Ω

13

-

AF

12

-

RXD

Received Data output from the internal data slicer. Output will have

a rail to rail output swing (i.e. 0 -Vcc depending on the supply

voltage). Suitable for Biphase codes

11

-

RSSI

DC level between 0.5V and 2V. 60dB dynamic range

NOTES:

1. RX and TX have internal (10k

Ω approx.) pull-up to Vcc

2. EN pin should not be left floating

3. For Vcc greater than 9V, transmit duty cycle must be limited to 25% or less

4. Avoid RX and TX both low: undefined module operation (but damage will not result)

5. A 10mW UK version is available on 173.225MHz. (3-16V operation, 10mA TX)

6. Pin out is as BiM2. On RF connector end only pins 1, 2, 3, 9 are present.

Absolute maximum ratings

Exceeding the values given below may cause permanent damage to the module.

Operating temperature

-10

°C to +60°C

Storage temperature

-30

°C to +70°C

RF in (pin 1)

±50V @ <10MHz, +13dBm @ >10MHz

All other pins

-0.3V to +16.0V

Performance specifications:

(Vcc = 3.8V / temperature = 20

General

pin

min.

typ.

max.

units

notes

DC supply

Supply voltage (100mW BiM1T)

17

3.8

-

15

V

Supply voltage (10mW BiM1T, BiM1R)

17

3.0

-

16

V

TX Supply current (100mW)

17

80

mA

TX Supply current (10mW)

17

25

mA

RX Supply current

17

8

mA

Antenna pin impedance

2

50

Ω

RF centre frequency (100mW)

151.300

MHz

RF centre frequency (10mW)

173.225

MHz

Channel spacing

25

kHz

Number of channels

1

Transmitter

RF

RF power output (100mW)

2

+19

+20

+21

dBm

1

RF power output (100mW)

2

+9

+10

+11

dBm

1

Spurious emissions (100mW)

2

-40

dBm

Spurious emissions (10mW)

2

EN 300 220-3

dBm

2

Adjacent channel TX power (100mW)

-37

dBm

Adjacent channel TX power (10mW)

TBD

2

Frequency accuracy

-2.5

0

+2.5

kHz

3

FM deviation (peak)

±2.5

±3.0

±3.5

kHz

4

Baseband

Modulation bandwidth @ -3dB

0

5

kHz

TXD input level (logic low)

14

0

V

5

TXD input level (logic high)

14

3.0

V

5

Dynamic timing

TX select to full RF

5

ms